found: Wikipedia, 16 May 2016(Walter B. Gibson; Walter Brown Gibson; born September 12, 1897 in Germantown, Philadelphia, Pennsylvania, was an American author and professional magician, best known for his work on the pulp fiction character The Shadow; Gibson, under the pen-name Maxwell Grant, wrote "more than 300 novel-length" Shadow stories, writing up to "10,000 words a day" to satisfy public demand during the character's golden age in the 1930s and 1940s; he authored several novels in the Biff Brewster juvenile series of the 1960s; he was married to Litzka R. Gibson, also a writer; he died December 6, 1985 in Kingston, New York)